• 1997 to 1997 1
• 1998 to 1998 0
• 1999 to 1999 0
• 2000 to 2000 0
• 2001 to 2001 0
• 2002 to 2002 0
• 2003 to 2003 0
• 2004 to 2004 0
• 2005 to 2005 2
• 2006 to 2006 0
• 2007 to 2007 1